The usual way for a program to terminate is simply for its
function to return. The exit status value returned from the
main function is used to report information back to the process’s
parent process or shell.
A program can also terminate normally by calling the
In addition, programs can be terminated by signals; this is discussed in
more detail in Signal Handling. The
abort function causes
a signal that kills the program.
|• Normal Termination||If a program calls |
|• Exit Status||The |
|• Cleanups on Exit||A process can run its own cleanup functions upon normal termination.|
|• Aborting a Program||The |
|• Termination Internals||What happens when a process terminates.|